Armyworms have been reported in central Illinois as far north as Peoria by Kevin Black, Growmark agronomist. There have been no reports from Iowa, but farmers and field scouts in southeastern Iowa should be aware of potential problems over the next couple of weeks. These insects rarely cause losses in conventional-tilled fields, but they should be scouted in minimum- or no-tilled fields with any kind of living ground cover.
Iowa State University
Rice, Marlin E., "Armyworms reported in Illinois" (2001). Integrated Crop Management News. 1843.
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